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import io.Source
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import scala.util._
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val file_population_test = "population.csv"
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val file_alcohol_test = "alcohol.csv"
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def get_csv_file_test(file: String) : List[String] =
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Source.fromFile(file)("ISO-8859-1").getLines.toList
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val alcs_test = get_csv_file_test(file_alcohol_test)
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val pops_test = get_csv_file_test(file_population_test)
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assert(CW6b.process_alcs(alcs_test.drop(1))(0) == ("Afghanistan", 0.0))
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assert(CW6b.process_pops(pops_test.drop(1))("Micronesia") == 104015)
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